Overview
A handy, low power Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth.
It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, transfer data via Bluetooth etc.
GSM/GPRS
Band
GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz
Quad-band auto search
Compliant to GSM phase 2/2+
Emitting power
Class 4 (2W @ GSM 850/EGSM 900 MHz)
Class 1 (1W @ DCS 1800/PCS 1900 MHz)
GPRS connectivity
GPRS multi-slot class 12 (default)
GPRS multi-slot class 1~12 (configurable)
GPRS data feature
Downlink speed: max 85.6kbps
Uplink speed: max 85.6kbps
Coding schemes: CS-1\CS-2\CS-3\CS-4
Supports PAP (Password Authentication Protocol) for PPP connection
Supports PBCCH
Supports USSD
SMS
Supports: MT/MO/CB/Text/PDU mode
SMS storage: SIM card
Audio
Voice encode/decode mode: Half Rate\Full Rate\Enhanced Full Rate\Adaptive muti rate
Supports echo cancellation
Supports noise reduction
GNSS
Receiver type
- 33 tracking channels
- 99 acquisition channels
- GPS L1 C/A code
Sensitivity
- Tracking: -165 dBm
- Cold starts : -148 dBm
Time-To-First-Fix
- Cold starts : 28s (typ.)
- Hot starts : < 1s
- Warm starts: 26s
Accuracy
- Horizontal position : <2.5m CEP
Bluetooth
Integrates AT commands
Compliant to Bluetooth specification3.0 + EDR
Supports SPP, OPP, HFP/HSP, etc.
